Shineway Auto Load Metal Utility Knife

This unique knife is very practical as well as being strong and robust. It features a quality metal case which has an inbuilt cartridge capable of holding ten spare blades, ready to feed the knife with a new one as the used blade become blunt.
Press the red button to release the used blade. Sliding the blade-advance button completely backward (located on the top of the knife) will refill the blade slot. Slide the same button forwards to resume normal use of the utility knife.